Try Our Apps


90s Slang You Should Know


[in-jekt] /ɪnˈdʒɛkt/
verb (used with object)
to force (a fluid) into a passage, cavity, or tissue:
to inject a medicine into the veins.
to introduce (something new or different):
to inject humor into a situation.
to introduce arbitrarily or inappropriately; intrude.
to interject (a remark, suggestion, etc.), as into conversation.
Origin of inject
1590-1600; < Latin injectus past participle of in(j)icere to throw in, equivalent to in- in-2 + -jec- (combining form of jac- throw) + -tus past participle suffix
Related forms
reinject, verb (used with object)
uninjected, adjective


(in prescriptions) an injection.
From the Latin word injectiō Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for inject
Contemporary Examples
Historical Examples
  • inject about a tablespoonful of this liquid and sediment up each nostril, with a syringe.

    Domestic Animals Richard L. Allen
  • If you want to get alcohol into my system you must inject it under my skin.

    The Blue Germ Martin Swayne
  • After the usual washing out of the sinuses with the carbolic solution, I inject both of them in with liquid vasaline.

  • But Bothwell had managed to inject a fly into the ointment of my content.

    The Pirate of Panama William MacLeod Raine
  • Will you inject it with a hypodermic syringe between two impalpable plates to obtain were it only the wing of a fly?

British Dictionary definitions for inject


verb (transitive)
(med) to introduce (a fluid) into (the body of a person or animal) by means of a syringe or similar instrument
(foll by into) to introduce (a new aspect or element): to inject humour into a scene
to interject (a comment, idea, etc)
to place (a rocket, satellite, etc) in orbit
Derived Forms
injectable, adjective
Word Origin
C17: from Latin injicere to throw in, from jacere to throw
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for inject

c.1600, from Latin iniectus "a casting on, throwing over," past participle of inicere "to throw in or on," from in- "in" (see in- (2)) + -icere, comb. form of iacere "to throw" (see jet (v.)). Related: Injectable; injected; injecting.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
inject in Medicine

inject in·ject (ĭn-jěkt')
v. in·ject·ed, in·ject·ing, in·jects

  1. To introduce a substance, such as a drug or vaccine, into a body part.

  2. To treat by means of injection.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for inject

Most English speakers likely know this word

Word Value for inject

Scrabble Words With Friends

Nearby words for inject